feat: initial commit

api/src/cms/validators/validate-required-fields.validator.ts

@@ -0,0 +1,63 @@
+/*
+ * Copyright © 2024 Hexastack. All rights reserved.
+ *
+ * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
+ * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
+ * 2. All derivative works must include clear attribution to the original creator and software, Hexastack and Hexabot, in a prominent location (e.g., in the software's "About" section, documentation, and README file).
+ * 3. SaaS Restriction: This software, or any derivative of it, may not be used to offer a competing product or service (SaaS) without prior written consent from Hexastack. Offering the software as a service or using it in a commercial cloud environment without express permission is strictly prohibited.
+ */
+
+import { BadRequestException } from '@nestjs/common';
+import {
+  ValidatorConstraint,
+  ValidatorConstraintInterface,
+} from 'class-validator';
+
+import { FieldType } from '../dto/contentType.dto';
+
+@ValidatorConstraint({ name: 'validateRequiredFields', async: false })
+export class ValidateRequiredFields implements ValidatorConstraintInterface {
+  private readonly REQUIRED_FIELDS: FieldType[] = [
+    {
+      name: 'title',
+      label: 'Title',
+      type: 'text',
+    },
+    {
+      name: 'status',
+      label: 'Status',
+      type: 'checkbox',
+    },
+  ];
+
+  validate(fields: FieldType[]): boolean {
+    const errors: string[] = [];
+
+    this.REQUIRED_FIELDS.forEach((requiredField, index) => {
+      const field = fields[index];
+
+      if (!field) {
+        errors.push(`Field ${requiredField.name} is required.`);
+        return;
+      }
+
+      Object.entries(requiredField).forEach(([key, value]) => {
+        if (field[key] !== value) {
+          errors.push(
+            `fields.${index}.${key} must be ${value}, but got ${field[key]}`,
+          );
+        }
+      });
+    });
+
+    if (errors.length > 0) {
+      throw new BadRequestException({ message: errors });
+    }
+
+    return true;
+  }
+
+  defaultMessage(): string {
+    return 'The fields must match the required structure.';
+  }
+}